The richest tennis players

Working on your serve is a good place to start if you want to strike it rich. Singles tennis players are among the highest paid pro athletes on Earth, with the four Grand Slam tournaments topping $200 million in total prize money. But it’s the endorsements that really add up. Because tennis stars have the spotlight all to themselves on the court, and because the spotlight shines on them for hours at a stretch, they are prime sponsorship material. (Those short skirts and buff quads don’t hurt, either.) Indeed, the net worth of many athletes on this list owes more to endorsements than to ATP or WTA winnings, with other factors such as shrewd investments and business ventures pushing their fortunes still higher.